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Some fixes related to help command (#394) 

* Add dots in the end of docs

* Make UsageTemplate show help command

Fix #366

* Fix output of help if it's invalid command
This commit is contained in:
Albert Nigmatzianov 2017-03-01 00:17:48 +05:00 committed by Eric Paris
parent 92ea23a837
commit fcd0c5a1df
1 changed files with 9 additions and 10 deletions
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19
command.go
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@ -155,12 +155,12 @@ func (c *Command) SetUsageTemplate(s string) {
}
// SetFlagErrorFunc sets a function to generate an error when flag parsing
// fails
// fails.
func (c *Command) SetFlagErrorFunc(f func(*Command, error) error) {
c.flagErrorFunc = f
}
// SetHelpFunc sets help function. Can be defined by Application
// SetHelpFunc sets help function. Can be defined by Application.
func (c *Command) SetHelpFunc(f func(*Command, []string)) {
c.helpFunc = f
}
@ -187,7 +187,7 @@ func (c *Command) SetGlobalNormalizationFunc(n func(f *flag.FlagSet, name string
}
}
// OutOrStdout returns output to stdout
// OutOrStdout returns output to stdout.
func (c *Command) OutOrStdout() io.Writer {
return c.getOut(os.Stdout)
}
@ -345,19 +345,19 @@ Aliases:
{{end}}{{if .HasExample}}
Examples:
{{ .Example }}{{end}}{{ if .HasAvailableSubCommands}}
{{ .Example }}{{end}}{{if .HasAvailableSubCommands}}
Available Commands:{{range .Commands}}{{if .IsAvailableCommand}}
{{rpad .Name .NamePadding }} {{.Short}}{{end}}{{end}}{{end}}{{ if .HasAvailableLocalFlags}}
Available Commands:{{range .Commands}}{{if (or .IsAvailableCommand (eq .Name "help"))}}
{{rpad .Name .NamePadding }} {{.Short}}{{end}}{{end}}{{end}}{{if .HasAvailableLocalFlags}}
Flags:
{{.LocalFlags.FlagUsages | trimRightSpace}}{{end}}{{ if .HasAvailableInheritedFlags}}
{{.LocalFlags.FlagUsages | trimRightSpace}}{{end}}{{if .HasAvailableInheritedFlags}}
Global Flags:
{{.InheritedFlags.FlagUsages | trimRightSpace}}{{end}}{{if .HasHelpSubCommands}}
Additional help topics:{{range .Commands}}{{if .IsHelpCommand}}
{{rpad .CommandPath .CommandPathPadding}} {{.Short}}{{end}}{{end}}{{end}}{{ if .HasAvailableSubCommands }}
{{rpad .CommandPath .CommandPathPadding}} {{.Short}}{{end}}{{end}}{{end}}{{if .HasAvailableSubCommands}}
Use "{{.CommandPath}} [command] --help" for more information about a command.{{end}}
`
@ -696,7 +696,6 @@ func (c *Command) Execute() error {
// ExecuteC executes the command.
func (c *Command) ExecuteC() (cmd *Command, err error) {
// Regardless of what command execute is called on, run on Root only
if c.HasParent() {
return c.Root().ExecuteC()
@ -781,7 +780,7 @@ func (c *Command) initHelpCmd() {
Run: func(c *Command, args []string) {
cmd, _, e := c.Root().Find(args)
if cmd == nil || e != nil {
c.Printf("Unknown help topic %#q.", args)
c.Printf("Unknown help topic %#q\n", args)
c.Root().Usage()
} else {
cmd.Help()